Switch assembly



FIG. 1 is a left front perspective view of a switch assembly showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a right side elevation view thereof; the opposite side being a mirror image. 

The ornamental design for a switch assembly, as shown and described. 